CaratHunter
Plans
Round|Lab Grown|IGI

1.64ct F SI1 Round Lab Grown Diamond

VG • F/SI1 • IGI LG754510367

Shape and cutting style on the report: Round brilliant

Certificate IGI LG754510367

Diamond specifications and retailer prices

From HK$1,577 HKD
$201 USD
As of November 1, 2026
Save HK$7,580 HKD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$9,157 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.64ct lab-grown round diamond

This 1.64ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG754510367 or 754510367. Listed at 15 retailers as of November 1, 2026, with prices from HK$1,577 to HK$9,157, a HK$7,580 spread on the same certified stone. MOH London lists it at HK$9,157. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.64
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754510367
Dimensions7.46 × 7.41 × 4.68 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.46 mm7.41 mm1.64 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754510367
Side View
Table 60.0%Crown 37.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$9,157 HKD|Low: HK$1,514 HKD|High: HK$9,317 HKD|Avg: HK$4,021 HKD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 6HK$1,577 HKD
Retailer 11HK$1,836 HKD
Retailer 7HK$1,962 HKD
Retailer 4HK$1,985 HKD
Retailer 3HK$3,304 HKD
Retailer 12HK$3,397 HKD
Retailer 2HK$3,586 HKD
Retailer 5HK$3,597 HKD
Retailer 10HK$4,009 HKD
Retailer 8HK$6,300 HKD
Retailer 9HK$6,316 HKD
MOH LondonHK$9,157 HKD

40 data points across 12 retailers

15 retailersHK$1,577 HKD to HK$9,157 HKD

A
Cheapest Retailer
-
HK$1,577 HKD
$201 USD
A
Retailer 2
-
HK$1,836 HKD
$234 USD
View
A
Retailer 3
-
HK$1,962 HKD
$250 USD
View
Retailer 4
-
HK$1,985 HKD
$253 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$3,304 HKD
€401 EUR
View
B+
Retailer 6
-
HK$3,397 HKD
$433 USD
View
B+
Retailer 7
-
HK$3,586 HKD
£360 GBP
View
A
Retailer 8
-
HK$3,597 HKD
£361 GBP
View
B+
Retailer 9
-
HK$3,837 HKD
$489 USD
View
B+
Retailer 10
-
HK$4,009 HKD
$511 USD
View
Retailer 11
-
HK$6,159 HKD
$785 USD
View
Price last confirmed 12 days ago
B
Retailer 12
-
HK$6,300 HKD
$803 USD
View
B
Retailer 13
-
HK$6,316 HKD
$805 USD
View
B
Retailer 14
-
HK$7,925 HKD
$1,010 USD
View
Most Expensive
B
MOH London
LG754510367 · Nov 1
HK$9,157 HKD
£919 GBP
View
14 more retailers have this diamond
Prices start from HK$1,577 HKDSave up to HK$7,580 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.64ct Round
HK$1,577 HKD